The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 2000
Filed:
Apr. 29, 1997
Dominic A Berta, Newark, DE (US);
Montell North America Inc., Wilmington, DE (US);
Abstract
A polymer composition for making molded parts including (1) a thermoplastic olefin, (2) a propylene polymer material, and (3) an oxidized polyethylene wax having an acid number of .gtoreq.15 mg KOH/g, a high molecular weight ethylene polymer, or mixtures thereof, wherein (2)+(3) equals at least 22.5 parts per hundred parts of the thermoplastic olefin, has a good paint adhesion/durability balance. Injection molded parts made from this composition have a unique morphology characterized by a continuous matrix phase and discrete particles of a dispersed phase having a specific aspect ratio near the surface of the part and a specific particle size in the core of the part.